Hoechst AG
Hoechst AGActive Patents
0
Total Holdings
34
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| EP0063339A2 | Piston pump for needleless injection apparatuses | Expired / Lapsed | 1982-04-09 | — | 0 | Details |
| EP0013949A2 | Depot body on the basis of silicon rubber and method for it… | Expired / Lapsed | 1980-01-18 | — | 0 | Details |
| EP0003122A1 | Process for the preparation of cystein-containing peptides | Expired / Lapsed | 1979-01-09 | — | 0 | Details |
| DE2632280A1 | UROLOGICAL CATHETER | Expired / Lapsed | 1976-07-17 | — | 0 | Details |
| GB1410744A | Process for plasticizing polyvinyl alcohol | Expired / Lapsed | 1974-01-10 | — | 0 | Details |
| DE2130040A1 | New water-insoluble monoazo dyes and processes for their pr… | Expired / Lapsed | 1971-06-18 | — | 0 | Details |
| GB831961A | Improvements in or relating to the manufacture of shaped st… | Expired / Lapsed | 1956-04-23 | — | 0 | Details |
| US5503152A | Ultrasonic transducer assembly and method for three-dimensi… | Expired / Lapsed | 1994-09-28 | 1996-04-02 | 60 | Details |
| US5053455A | Graft polymers, containing polyvinyl acetal groups, on poly… | Expired / Lapsed | 1991-02-20 | 1991-10-01 | 7 | Details |
| US4758475A | Isocyanate-free polyurethane dispersions | Expired / Lapsed | 1986-12-18 | 1988-07-19 | 11 | Details |
| US4568706A | Macroporous bead polymers, a process for their preparation … | Expired / Lapsed | 1984-05-25 | 1986-02-04 | 17 | Details |
| US4323492A | Plasticizer containing polyvinyl alcohol granules | Expired / Lapsed | 1980-12-01 | 1982-04-06 | 21 | Details |
| US4205146A | Process for the preparation of polyvinylbutyral having impr… | Expired / Lapsed | 1978-07-18 | 1980-05-27 | 9 | Details |
| US4002712A | Process for the production of a plasticized shaped body fro… | Expired / Lapsed | 1974-12-16 | 1977-01-11 | 45 | Details |
| US3982829A | Exposure means for photocopying apparatus | Expired / Lapsed | 1974-11-18 | 1976-09-28 | 13 | Details |
| US3962358A | Process for preparing perfluorononanes | Expired / Lapsed | 1974-06-20 | 1976-06-08 | 16 | Details |
| US3957935A | Process for the production of a dry desalting cellulose ace… | Expired / Lapsed | 1974-12-05 | 1976-05-18 | 3 | Details |
| US3930109A | Process for the manufacture of metallized shaped bodies of … | Expired / Lapsed | 1973-08-02 | 1975-12-30 | 4 | Details |
| US3864469A | Xanthines in pharmaceutical preparations and for stabilizat… | Expired / Lapsed | 1973-02-08 | 1975-02-04 | 53 | Details |
| US3835221A | Orally administrable drug dosage form having delayed action | Expired / Lapsed | 1971-03-04 | 1974-09-10 | 5 | Details |
| US3788296A | Device for applying medical substances to the nasal mucosa | Expired / Lapsed | 1972-05-19 | 1974-01-29 | 12 | Details |
| US3776766A | Process for improving the processing properties of polyeste… | Expired / Lapsed | 1971-11-17 | 1973-12-04 | 2 | Details |
| US3686813A | Wall covering defining a continuous ventilating conduit | Expired / Lapsed | 1970-05-04 | 1972-08-29 | 5 | Details |
| US3595938A | Polyethylene glycol terephthalate/poly - 1.4 -dimethylol-cy… | Expired / Lapsed | 1968-09-26 | 1971-07-27 | 0 | Details |
| US3554955A | Primers for coating surfaces with polytetrafluoroethylene a… | Expired / Lapsed | 1967-11-29 | 1971-01-12 | 0 | Details |
| US3178495A | Process for the production of thermoplastic films | Expired / Lapsed | 1961-10-09 | 1965-04-13 | 2 | Details |
| US3159531A | Fungicidal agents | Expired / Lapsed | 1961-08-22 | 1964-12-01 | 2 | Details |
| US3134687A | Wrapping and packing material having a preserving effect | Expired / Lapsed | 1960-03-08 | 1964-05-26 | 0 | Details |
| US3108017A | Coating organic films with mixture of amorphous and crystal… | Expired / Lapsed | 1960-11-25 | 1963-10-22 | 2 | Details |
| US3036930A | Process for improving the adhesiveness of polyolefins | Expired / Lapsed | 1958-12-22 | 1962-05-29 | 2 | Details |
| US2989797A | Process for the manufacture of staple yarns by filament dec… | Expired / Lapsed | 1956-11-26 | 1961-06-27 | 2 | Details |
| US2917779A | Process for preparing improved thin shaped structures, such… | Expired / Lapsed | 1956-05-08 | 1959-12-22 | 0 | Details |
| US2789559A | Syringe with aspiration device for cylindrical ampoules | Expired / Lapsed | 1955-08-30 | 1957-04-23 | 0 | Details |
| US2693804A | Syringe casing for cylindrical ampoules | Expired / Lapsed | 1953-04-23 | 1954-11-09 | 0 | Details |